RNA-induced initiation of transcriptional gene silencing (RITS)：是一种组织染色质变型的复合物。

RITS复合物也包含Dicer加工形成的siRNA和AGO蛋白质，通过结合到异染色质的基因池上来促使异染色质上基因的沉默。

Reserve Bank's Information and Transfer System: a secure electronic transfer system that processes payments made at and by the RBA( reserve bank of australia). 澳大利亚金融系统的一种工具，记录澳大利亚储备银行所进行的业务。